Last Updated: November 8, 2026

Details for Patent: 3,432,489

Name: Drug Patent Intelligence for US Patent 3432489
Creator: DrugPatentWatch
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Summary for Patent: 3,432,489

Title:	Disaccharide polysulfate aluminium compound and method
Abstract:	New compounds having peptic ulcer inhibiting action and no side effects are produced by reacting aluminium ion with a disaccharide polysu1fate or its salt to produce a disaccharide polysu1fate-aluminium compound containing 7-13% sulphur and 11-24% aluminium per molecule.
Inventor(s):	Yoshihiro Nitta, Masaya Namekata, Eiichi Tomita, Yusaku Hirota
Assignee:	Chugai Pharmaceutical Co Ltd
Application Number:	US589242A
Patent Claim Types: see list of patent claims

Drugs Protected by US Patent 3,432,489

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 3,432,489

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Belgium	895077	⤷ Start Trial
Germany	1568346	⤷ Start Trial
France	1500571	⤷ Start Trial
France	6064	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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